What does CUSIP 03589W102 represent in this 13F holders report?

CUSIP 03589W102 is the security identifier for ANNX - Annexon, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held ANNX - Annexon, Inc. - Common Stock in Q4 2023?

98 institutional investors reported ANNX - Annexon, Inc. - Common Stock for Q4 2023. Use the holders table for investor-level position and value details.

Annexon, Inc. - Common Stock (ANNX)

CUSIP: 03589W102

Q4 2023 13F Holders as of 31 Dec 2023

Type / Class: Equity / Common Stock
Shares outstanding: 155,837,030
Total 13F shares: 80,514,496
Share change: +26,436,657
Total reported value: $365,538,892
Put/Call ratio: 112%
Price per share: $4.54
Number of holders: 98
Value change: +$125,501,716
Number of buys: 53
Number of sells: 39

Quarterly Holders Quick Answers

What is CUSIP 03589W102?
CUSIP 03589W102 identifies ANNX - Annexon, Inc. - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2024
Previous quarter: Q3 2023

Recent filing periods for CUSIP 03589W102:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ANNX - Annexon, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Bain Capital Life Sciences Investors, LLC	3/4/5 13F	10%+ Owner · Company	3.7% from 13F	5,401,926	$24,428,590	—	25 May 2023	3/4/5 13F
Alerce Investment Management, L.P.	13F	Company	4.5%	7,056,024	$16,652,217	—	30 Sep 2023	13F
Logos Global Management LP	13F	Company	3.4%	5,300,000	$12,508,000	—	30 Sep 2023	13F
Redmile Group, LLC	13F	Company	2.2%	3,503,190	$8,267,528	—	30 Sep 2023	13F
BlackRock Finance, Inc.	13F	Company	2.2%	3,407,989	$8,042,854	—	30 Sep 2023	13F
GMT CAPITAL CORP	13F	Company	1.8%	2,810,471	$6,632,712	—	30 Sep 2023	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	1.5%	2,349,975	$5,545,941	—	30 Sep 2023	13F
Octagon Capital Advisors LP	13F	Company	1.3%	2,050,000	$4,838,000	—	30 Sep 2023	13F
VANGUARD GROUP INC	13F	Company	1.2%	1,894,409	$4,470,806	—	30 Sep 2023	13F
Pictet Asset Management Holding SA	13F	Company	1.2%	1,803,149	$4,255,432	—	30 Sep 2023	13F
Woodline Partners LP	13F	Company	0.94%	1,464,365	$3,455,901	—	30 Sep 2023	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.63%	976,987	$2,305,689	—	30 Sep 2023	13F
Blackstone Inc.	13F	Company	0.58%	910,494	$2,148,766	—	30 Sep 2023	13F
SECTORAL ASSET MANAGEMENT INC	13F	Company	0.58%	898,785	$2,121,133	—	30 Sep 2023	13F
Vontobel Holding Ltd.	13F	Company	0.58%	898,785	$2,121,133	—	30 Sep 2023	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.56%	879,617	$2,076,120	—	30 Sep 2023	13F
STATE STREET CORP	13F	Company	0.53%	831,544	$1,962,444	—	30 Sep 2023	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.52%	812,224	$1,915,000	—	30 Sep 2023	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	0.5%	777,199	$1,834,190	—	30 Sep 2023	13F
CITADEL ADVISORS LLC	13F	Company	0.44%	684,962	$1,616,510	—	30 Sep 2023	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	0.37%	583,913	$1,378,035	—	30 Sep 2023	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.36%	561,310	$1,325,000	—	30 Sep 2023	13F
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)	13F	Company	0.35%	549,246	$1,296,221	—	30 Sep 2023	13F
Soleus Capital Management, L.P.	13F	Company	0.33%	515,400	$1,216,344	—	30 Sep 2023	13F
Board of Trustees of The Leland Stanford Junior University	13F	Company	0.32%	494,169	$1,166,239	—	30 Sep 2023	13F
Simplify Asset Management Inc.	13F	Company	0.32%	492,595	$1,162,524	—	30 Sep 2023	13F
FEDERATED HERMES, INC.	13F	Company	0.31%	485,047	$1,144,711	—	30 Sep 2023	13F
Velan Capital Investment Management LP	13F	Company	0.3%	459,746	$1,085,001	—	30 Sep 2023	13F
SILVERARC CAPITAL MANAGEMENT, LLC	13F	Company	0.26%	399,716	$943,330	—	30 Sep 2023	13F
NORTHERN TRUST CORP	13F	Company	0.23%	361,237	$852,520	—	30 Sep 2023	13F
ExodusPoint Capital Management, LP	13F	Company	0.2%	309,710	$731,000	—	30 Sep 2023	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.16%	245,658	$579,753	—	30 Sep 2023	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.14%	222,279	$524,578	—	30 Sep 2023	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.14%	220,486	$520,347	—	30 Sep 2023	13F
Nuveen Asset Management, LLC	13F	Company	0.12%	188,136	$444,001	—	30 Sep 2023	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.11%	172,805	$407,820	—	30 Sep 2023	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.11%	165,100	$389,636	—	30 Sep 2023	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.1%	155,200	$366,272	—	30 Sep 2023	13F
Bank of New York Mellon Corp	13F	Company	0.1%	154,277	$364,094	—	30 Sep 2023	13F
MORGAN STANLEY	13F	Company	0.1%	149,092	$351,858	—	30 Sep 2023	13F
Schonfeld Strategic Advisors LLC	13F	Company	0.09%	147,345	$347,734	—	30 Sep 2023	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.08%	123,668	$291,856	—	30 Sep 2023	13F
Connor, Clark & Lunn Investment Management Ltd.	13F	Company	0.08%	121,390	$286,480	—	30 Sep 2023	13F
FMR LLC	13F	Company	0.06%	91,782	$216,606	—	30 Sep 2023	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.17%	258,314	$208,151	—	30 Sep 2023	13F
PRELUDE CAPITAL MANAGEMENT, LLC	13F	Company	0.05%	75,600	$178,416	—	30 Sep 2023	13F
RHUMBLINE ADVISERS	13F	Company	0.04%	59,710	$140,907	—	30 Sep 2023	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.04%	58,522	$138,112	—	30 Sep 2023	13F
CORNERCAP INVESTMENT COUNSEL INC	13F	Company	0.03%	46,698	$110,207	—	30 Sep 2023	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.03%	45,882	$108,282	—	30 Sep 2023	13F

Institutional Holders of Annexon, Inc. - Common Stock (ANNX) as of Q4 2023

As of 31 Dec 2023, Annexon, Inc. - Common Stock (ANNX) was held by 98 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 80,514,496 shares. The largest 10 holders included FMR LLC, Bain Capital Life Sciences Investors, LLC, Alerce Investment Management, L.P., BVF INC/IL, Redmile Group, LLC, ADAGE CAPITAL PARTNERS GP, L.L.C., Logos Global Management LP, BlackRock Inc., GMT CAPITAL CORP, and Ikarian Capital, LLC. This page lists 98 institutional shareholders reporting positions in this security for the Q4 2023 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders

Q4 2023 holders

Holder diff

Investor	Q3 2023 Shares	Q4 2023 Shares	Share Diff	Share Chg %	Q3 2023 Value $	Q4 2023 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.